Jorg J. M. Massen

Personality and dominance shape core area use and territory-related signalling in a feral ungulate

The paper examines how personality and dominance affect core area use and territory-related signaling in Asian water buffalo.

The social structure of a captive group of Rüppell's vultures (Gyps rueppellii)

This study examines the social structure of captive Rüppell's vultures, revealing stable dominance hierarchies and complex social bonds influenced by breeding season and pair-bond status.

The BEAC, an epigenetic clock for birds

The paper develops BEAC, an epigenetic clock for birds, validated across multiple species and showing strong predictive performance for chronological age.

Despotic long-tailed macaques benefit others in a group service paradigm

This study shows long-tailed macaques exhibit prosocial behavior in a group service task, preferring to help kin, supporting the dyadic interdependence hypothesis over cooperative breeding and self-domestication hypotheses.

Many facets of self-directed behaviours in macaques

This study examines self-directed behaviours in macaques to understand their relationship with social dynamics and anxiety-like states, finding differential responses rather than a single anxiety dimension.

Personality assessment of synanthropic rhesus macaques: implications and challenges

This study assesses personality traits in synanthropic rhesus macaques using behavioral observations and novelty experiments, identifying sociability and cautiousness as repeatable traits with sex and provisioning method effects.

Despotism promotes cooperation through enhanced interdependencies in non-human primate societies

The paper investigates cooperation in macaque societies, finding that despotic societies exhibit higher within-group cooperation due to enhanced interdependencies.